14 files changed, 1148 insertions, 15 deletions

diff --git a/OpenSim/Addons/OfflineIM/Data/IOfflineIMData.cs b/OpenSim/Addons/OfflineIM/Data/IOfflineIMData.cs
new file mode 100644
index 0000000..a507f7d
--- /dev/null
+++ b/OpenSim/Addons/OfflineIM/Data/IOfflineIMData.cs
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System.Collections.Generic;
+using OpenSim.Data;
+using OpenMetaverse;
+
+namespace OpenSim.OfflineIM
+{
+    public class OfflineIMData
+    {
+        public UUID PrincipalID;
+        public Dictionary<string, string> Data;
+    }
+
+
+    public interface IOfflineIMData 
+    {
+        OfflineIMData[] Get(string field, string val);
+        long GetCount(string field, string key);
+        bool Store(OfflineIMData data);
+        bool Delete(string field, string val);
+        void DeleteOld();
+    }
+}
diff --git a/OpenSim/Addons/OfflineIM/Data/MySQLOfflineIMData.cs b/OpenSim/Addons/OfflineIM/Data/MySQLOfflineIMData.cs
new file mode 100644
index 0000000..0a61cd2
--- /dev/null
+++ b/OpenSim/Addons/OfflineIM/Data/MySQLOfflineIMData.cs
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Reflection;
+
+using OpenSim.Framework;
+using OpenSim.Data.MySQL;
+
+using OpenMetaverse;
+using MySql.Data.MySqlClient;
+
+namespace OpenSim.OfflineIM
+{
+    public class MySQLOfflineIMData : MySQLGenericTableHandler<OfflineIMData>, IOfflineIMData
+    {
+        protected override Assembly Assembly
+        {
+            // WARNING! Moving migrations to this assembly!!!
+            get { return GetType().Assembly; }
+        }
+
+        public MySQLOfflineIMData(string connectionString, string realm)
+            : base(connectionString, realm, "IM_Store")
+        {
+        }
+
+        public void DeleteOld()
+        {
+            uint now = (uint)Util.UnixTimeSinceEpoch();
+
+            using (MySqlCommand cmd = new MySqlCommand())
+            {
+                cmd.CommandText = String.Format("delete from {0} where TMStamp < ?tstamp", m_Realm);
+                cmd.Parameters.AddWithValue("?tstamp", now - 14 * 24 * 60 * 60); // > 2 weeks old
+
+                ExecuteNonQuery(cmd);
+            }
+
+        }
+    }
+}
diff --git a/OpenSim/Addons/OfflineIM/OfflineIMRegionModule.cs b/OpenSim/Addons/OfflineIM/OfflineIMRegionModule.cs
new file mode 100644
index 0000000..050ebd2
--- /dev/null
+++ b/OpenSim/Addons/OfflineIM/OfflineIMRegionModule.cs
@@ -0,0 +1,267 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using log4net;
+using Mono.Addins;
+using Nini.Config;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Framework.Servers;
+using OpenSim.Framework.Client;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Services.Interfaces;
+
+namespace OpenSim.OfflineIM
+{
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "OfflineIMConnectorModule")]
+    public class OfflineIMRegionModule : ISharedRegionModule, IOfflineIMService
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private bool m_Enabled = false;
+        private List<Scene> m_SceneList = new List<Scene>();
+        IMessageTransferModule m_TransferModule = null;
+        private bool m_ForwardOfflineGroupMessages = true;
+
+        private IOfflineIMService m_OfflineIMService;
+
+        public void Initialise(IConfigSource config)
+        {
+            IConfig cnf = config.Configs["Messaging"];
+            if (cnf == null)
+                return;
+            if (cnf != null && cnf.GetString("OfflineMessageModule", string.Empty) != Name)
+                return;
+
+            m_Enabled = true;
+
+            string serviceLocation = cnf.GetString("OfflineMessageURL", string.Empty);
+            if (serviceLocation == string.Empty)
+                m_OfflineIMService = new OfflineIMService(config);
+            else
+                m_OfflineIMService = new OfflineIMServiceRemoteConnector(serviceLocation);
+
+            m_ForwardOfflineGroupMessages = cnf.GetBoolean("ForwardOfflineGroupMessages", m_ForwardOfflineGroupMessages);
+            m_log.DebugFormat("[OfflineIM.V2]: Offline messages enabled by {0}", Name);
+        }
+
+        public void AddRegion(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+
+            scene.RegisterModuleInterface<IOfflineIMService>(this);
+            m_SceneList.Add(scene);
+            scene.EventManager.OnNewClient += OnNewClient;
+        }
+
+        public void RegionLoaded(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+
+            if (m_TransferModule == null)
+            {
+                m_TransferModule = scene.RequestModuleInterface<IMessageTransferModule>();
+                if (m_TransferModule == null)
+                {
+                    scene.EventManager.OnNewClient -= OnNewClient;
+
+                    m_SceneList.Clear();
+
+                    m_log.Error("[OfflineIM.V2]: No message transfer module is enabled. Disabling offline messages");
+                }
+                m_TransferModule.OnUndeliveredMessage += UndeliveredMessage;
+            }
+        }
+
+        public void RemoveRegion(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+
+            m_SceneList.Remove(scene);
+            scene.EventManager.OnNewClient -= OnNewClient;
+            m_TransferModule.OnUndeliveredMessage -= UndeliveredMessage;
+
+            scene.ForEachClient(delegate(IClientAPI client)
+            {
+                client.OnRetrieveInstantMessages -= RetrieveInstantMessages;
+                client.OnMuteListRequest -= OnMuteListRequest;
+            });
+        }
+
+        public void PostInitialise()
+        {
+        }
+
+        public string Name
+        {
+            get { return "Offline Message Module V2"; }
+        }
+
+        public Type ReplaceableInterface
+        {
+            get { return null; }
+        }
+
+        public void Close()
+        {
+            m_SceneList.Clear();
+        }
+
+        private Scene FindScene(UUID agentID)
+        {
+            foreach (Scene s in m_SceneList)
+            {
+                ScenePresence presence = s.GetScenePresence(agentID);
+                if (presence != null && !presence.IsChildAgent)
+                    return s;
+            }
+            return null;
+        }
+
+        private IClientAPI FindClient(UUID agentID)
+        {
+            foreach (Scene s in m_SceneList)
+            {
+                ScenePresence presence = s.GetScenePresence(agentID);
+                if (presence != null && !presence.IsChildAgent)
+                    return presence.ControllingClient;
+            }
+            return null;
+        }
+
+        private void OnNewClient(IClientAPI client)
+        {
+            client.OnRetrieveInstantMessages += RetrieveInstantMessages;
+            client.OnMuteListRequest += OnMuteListRequest;
+        }
+
+        private void RetrieveInstantMessages(IClientAPI client)
+        {
+            m_log.DebugFormat("[OfflineIM.V2]: Retrieving stored messages for {0}", client.AgentId);
+
+            List<GridInstantMessage> msglist = m_OfflineIMService.GetMessages(client.AgentId);
+
+            if (msglist == null)
+                m_log.DebugFormat("[OfflineIM.V2]: WARNING null message list.");
+
+            foreach (GridInstantMessage im in msglist)
+            {
+                if (im.dialog == (byte)InstantMessageDialog.InventoryOffered)
+                    // send it directly or else the item will be given twice
+                    client.SendInstantMessage(im);
+                else
+                {
+                    // Send through scene event manager so all modules get a chance
+                    // to look at this message before it gets delivered.
+                    //
+                    // Needed for proper state management for stored group
+                    // invitations
+                    //
+                    Scene s = FindScene(client.AgentId);
+                    if (s != null)
+                        s.EventManager.TriggerIncomingInstantMessage(im);
+                }
+            }
+        }
+
+        // Apparently this is needed in order for the viewer to request the IMs.
+        private void OnMuteListRequest(IClientAPI client, uint crc)
+        {
+            m_log.DebugFormat("[OfflineIM.V2] Got mute list request for crc {0}", crc);
+            string filename = "mutes" + client.AgentId.ToString();
+
+            IXfer xfer = client.Scene.RequestModuleInterface<IXfer>();
+            if (xfer != null)
+            {
+                xfer.AddNewFile(filename, new Byte[0]);
+                client.SendMuteListUpdate(filename);
+            }
+        }
+
+        private void UndeliveredMessage(GridInstantMessage im)
+        {
+            if (im.dialog != (byte)InstantMessageDialog.MessageFromObject &&
+                im.dialog != (byte)InstantMessageDialog.MessageFromAgent &&
+                im.dialog != (byte)InstantMessageDialog.GroupNotice &&
+                im.dialog != (byte)InstantMessageDialog.GroupInvitation &&
+                im.dialog != (byte)InstantMessageDialog.InventoryOffered)
+            {
+                return;
+            }
+
+            if (!m_ForwardOfflineGroupMessages)
+            {
+                if (im.dialog == (byte)InstantMessageDialog.GroupNotice ||
+                    im.dialog == (byte)InstantMessageDialog.GroupInvitation)
+                    return;
+            }
+
+            Scene scene = FindScene(new UUID(im.fromAgentID));
+            if (scene == null)
+                scene = m_SceneList[0];
+
+            string reason = string.Empty;
+            bool success = m_OfflineIMService.StoreMessage(im, out reason);
+
+            if (im.dialog == (byte)InstantMessageDialog.MessageFromAgent)
+            {
+                IClientAPI client = FindClient(new UUID(im.fromAgentID));
+                if (client == null)
+                    return;
+
+                client.SendInstantMessage(new GridInstantMessage(
+                        null, new UUID(im.toAgentID),
+                        "System", new UUID(im.fromAgentID),
+                        (byte)InstantMessageDialog.MessageFromAgent,
+                        "User is not logged in. " +
+                        (success ? "Message saved." : "Message not saved: " + reason),
+                        false, new Vector3()));
+            }
+        }
+
+        #region IOfflineIM
+
+        public List<GridInstantMessage> GetMessages(UUID principalID)
+        {
+            return m_OfflineIMService.GetMessages(principalID);
+        }
+
+        public bool StoreMessage(GridInstantMessage im, out string reason)
+        {
+            return m_OfflineIMService.StoreMessage(im, out reason);
+        }
+
+        #endregion
+    }
+}
+
diff --git a/OpenSim/Addons/OfflineIM/Properties/AssemblyInfo.cs b/OpenSim/Addons/OfflineIM/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..31667eb
--- /dev/null
+++ b/OpenSim/Addons/OfflineIM/Properties/AssemblyInfo.cs
@@ -0,0 +1,37 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using Mono.Addins;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("OpenSim.Addons.OfflineIM")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("http://opensimulator.org")]
+[assembly: AssemblyProduct("OpenSim.Addons.OfflineIM")]
+[assembly: AssemblyCopyright("Copyright (c) OpenSimulator.org Developers")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("a16a9905-4393-4872-9fca-4c81bedbd9f2")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+[assembly: AssemblyVersion("0.7.5.*")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
+
+[assembly: Addin("OpenSim.OfflineIM", "0.1")]
+[assembly: AddinDependency("OpenSim", "0.5")]
diff --git a/OpenSim/Addons/OfflineIM/Remote/OfflineIMServiceRemoteConnector.cs b/OpenSim/Addons/OfflineIM/Remote/OfflineIMServiceRemoteConnector.cs
new file mode 100644
index 0000000..69feb76
--- /dev/null
+++ b/OpenSim/Addons/OfflineIM/Remote/OfflineIMServiceRemoteConnector.cs
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+
+using OpenSim.Framework;
+using OpenSim.Server.Base;
+using OpenSim.Services.Interfaces;
+
+using OpenMetaverse;
+using log4net;
+using Nini.Config;
+
+namespace OpenSim.OfflineIM
+{
+    public class OfflineIMServiceRemoteConnector : IOfflineIMService
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private string m_ServerURI = string.Empty;
+        private object m_Lock = new object();
+
+        public OfflineIMServiceRemoteConnector(string url)
+        {
+            m_ServerURI = url;
+            m_log.DebugFormat("[OfflineIM.V2.RemoteConnector]: Offline IM server at {0}", m_ServerURI);
+        }
+
+        public OfflineIMServiceRemoteConnector(IConfigSource config)
+        {
+            IConfig cnf = config.Configs["Messaging"];
+            if (cnf == null)
+            {
+                m_log.WarnFormat("[OfflineIM.V2.RemoteConnector]: Missing Messaging configuration");
+                return;
+            }
+
+            m_ServerURI = cnf.GetString("OfflineMessageURL", string.Empty);
+
+        }
+
+        #region IOfflineIMService
+        public List<GridInstantMessage> GetMessages(UUID principalID)
+        {
+            List<GridInstantMessage> ims = new List<GridInstantMessage>();
+
+            Dictionary<string, object> sendData = new Dictionary<string, object>();
+            sendData["PrincipalID"] = principalID;
+            Dictionary<string, object> ret = MakeRequest("GET", sendData);
+
+            if (ret == null)
+                return ims;
+
+            if (!ret.ContainsKey("RESULT"))
+                return ims;
+
+            if (ret["RESULT"].ToString() == "NULL")
+                return ims;
+
+            foreach (object v in ((Dictionary<string, object>)ret["RESULT"]).Values)
+            {
+                GridInstantMessage m = OfflineIMDataUtils.GridInstantMessage((Dictionary<string, object>)v);
+                ims.Add(m);
+            }
+
+            return ims;
+        }
+
+        public bool StoreMessage(GridInstantMessage im, out string reason)
+        {
+            reason = string.Empty;
+            Dictionary<string, object> sendData = OfflineIMDataUtils.GridInstantMessage(im);
+
+            Dictionary<string, object> ret = MakeRequest("STORE", sendData);
+
+            if (ret == null)
+            {
+                reason = "Bad response from server";
+                return false;
+            }
+
+            string result = ret["RESULT"].ToString();
+            if (result == "NULL" || result.ToLower() == "false")
+            {
+                reason = ret["REASON"].ToString();
+                return false;
+            }
+
+            return true;
+        }
+
+        #endregion
+
+
+        #region Make Request
+
+        private Dictionary<string, object> MakeRequest(string method, Dictionary<string, object> sendData)
+        {
+            sendData["METHOD"] = method;
+
+            string reply = string.Empty;
+            lock (m_Lock)
+                reply = SynchronousRestFormsRequester.MakeRequest("POST",
+                         m_ServerURI + "/offlineim",
+                         ServerUtils.BuildQueryString(sendData));
+
+            Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(
+                    reply);
+
+            return replyData;
+        }
+        #endregion
+
+    }
+}
diff --git a/OpenSim/Addons/OfflineIM/Remote/OfflineIMServiceRobustConnector.cs b/OpenSim/Addons/OfflineIM/Remote/OfflineIMServiceRobustConnector.cs
new file mode 100644
index 0000000..2b3a01d
--- /dev/null
+++ b/OpenSim/Addons/OfflineIM/Remote/OfflineIMServiceRobustConnector.cs
@@ -0,0 +1,215 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Reflection;
+using System.Text;
+using System.Xml;
+using System.Collections.Generic;
+using System.IO;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Server.Base;
+using OpenSim.Services.Interfaces;
+using OpenSim.Framework.Servers.HttpServer;
+using OpenSim.Server.Handlers.Base;
+using log4net;
+using OpenMetaverse;
+
+namespace OpenSim.OfflineIM
+{
+    public class OfflineIMServiceRobustConnector : ServiceConnector
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private IOfflineIMService m_OfflineIMService;
+        private string m_ConfigName = "Messaging";
+
+        public OfflineIMServiceRobustConnector(IConfigSource config, IHttpServer server, string configName) :
+            base(config, server, configName)
+        {
+            if (configName != String.Empty)
+                m_ConfigName = configName;
+
+            m_log.DebugFormat("[OfflineIM.V2.RobustConnector]: Starting with config name {0}", m_ConfigName);
+
+            m_OfflineIMService = new OfflineIMService(config);
+
+            server.AddStreamHandler(new OfflineIMServicePostHandler(m_OfflineIMService));
+        }
+    }
+
+    public class OfflineIMServicePostHandler : BaseStreamHandler
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private IOfflineIMService m_OfflineIMService;
+
+        public OfflineIMServicePostHandler(IOfflineIMService service) :
+            base("POST", "/offlineim")
+        {
+            m_OfflineIMService = service;
+        }
+
+        public override byte[] Handle(string path, Stream requestData,
+                IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
+        {
+            StreamReader sr = new StreamReader(requestData);
+            string body = sr.ReadToEnd();
+            sr.Close();
+            body = body.Trim();
+
+            //m_log.DebugFormat("[XXX]: query String: {0}", body);
+
+            try
+            {
+                Dictionary<string, object> request =
+                        ServerUtils.ParseQueryString(body);
+
+                if (!request.ContainsKey("METHOD"))
+                    return FailureResult();
+
+                string method = request["METHOD"].ToString();
+                request.Remove("METHOD");
+
+                m_log.DebugFormat("[OfflineIM.V2.Handler]: {0}", method);
+                switch (method)
+                {
+                    case "GET":
+                        return HandleGet(request);
+                    case "STORE":
+                        return HandleStore(request);
+                }
+                m_log.DebugFormat("[OFFLINE IM HANDLER]: unknown method request: {0}", method);
+            }
+            catch (Exception e)
+            {
+                m_log.DebugFormat("[OFFLINE IM HANDLER]: Exception {0}", e.StackTrace);
+            }
+
+            return FailureResult();
+        }
+
+        byte[] HandleStore(Dictionary<string, object> request)
+        {
+            Dictionary<string, object> result = new Dictionary<string, object>();
+
+            GridInstantMessage im = OfflineIMDataUtils.GridInstantMessage(request);
+
+            string reason = string.Empty;
+
+            bool success = m_OfflineIMService.StoreMessage(im, out reason);
+
+            result["RESULT"] = success.ToString();
+            if (!success)
+                result["REASON"] = reason;
+
+            string xmlString = ServerUtils.BuildXmlResponse(result);
+
+            //m_log.DebugFormat("[XXX]: resp string: {0}", xmlString);
+            return Util.UTF8NoBomEncoding.GetBytes(xmlString);
+        }
+
+        byte[] HandleGet(Dictionary<string, object> request)
+        {
+            Dictionary<string, object> result = new Dictionary<string, object>();
+
+            if (!request.ContainsKey("PrincipalID"))
+                NullResult(result, "Bad network data");
+            else
+            {
+                UUID principalID = new UUID(request["PrincipalID"].ToString());
+                List<GridInstantMessage> ims = m_OfflineIMService.GetMessages(principalID);
+
+                Dictionary<string, object> dict = new Dictionary<string, object>();
+                int i = 0;
+                foreach (GridInstantMessage m in ims)
+                    dict["im-" + i++] = OfflineIMDataUtils.GridInstantMessage(m);
+
+                result["RESULT"] = dict;
+            }
+
+            string xmlString = ServerUtils.BuildXmlResponse(result);
+
+            //m_log.DebugFormat("[XXX]: resp string: {0}", xmlString);
+            return Util.UTF8NoBomEncoding.GetBytes(xmlString);
+        }
+
+        #region Helpers
+
+        private void NullResult(Dictionary<string, object> result, string reason)
+        {
+            result["RESULT"] = "NULL";
+            result["REASON"] = reason;
+        }
+
+        private byte[] FailureResult()
+        {
+            return BoolResult(false);
+        }
+
+        private byte[] SuccessResult()
+        {
+            return BoolResult(true);
+        }
+
+        private byte[] BoolResult(bool value)
+        {
+            XmlDocument doc = new XmlDocument();
+
+            XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
+                    "", "");
+
+            doc.AppendChild(xmlnode);
+
+            XmlElement rootElement = doc.CreateElement("", "ServerResponse",
+                    "");
+
+            doc.AppendChild(rootElement);
+
+            XmlElement result = doc.CreateElement("", "RESULT", "");
+            result.AppendChild(doc.CreateTextNode(value.ToString()));
+
+            rootElement.AppendChild(result);
+
+            return DocToBytes(doc);
+        }
+
+        private byte[] DocToBytes(XmlDocument doc)
+        {
+            MemoryStream ms = new MemoryStream();
+            XmlTextWriter xw = new XmlTextWriter(ms, null);
+            xw.Formatting = Formatting.Indented;
+            doc.WriteTo(xw);
+            xw.Flush();
+
+            return ms.ToArray();
+        }
+
+        #endregion
+    }
+}
diff --git a/OpenSim/Addons/OfflineIM/Resources/IM_Store.migrations b/OpenSim/Addons/OfflineIM/Resources/IM_Store.migrations
new file mode 100644
index 0000000..d1cff8e
--- /dev/null
+++ b/OpenSim/Addons/OfflineIM/Resources/IM_Store.migrations
@@ -0,0 +1,23 @@
+:VERSION 1         # -------------------------- 
+
+BEGIN;
+
+CREATE TABLE `im_offline` (
+  `ID` MEDIUMINT NOT NULL AUTO_INCREMENT,
+  `PrincipalID` char(36) NOT NULL default '',
+  `Message` text NOT NULL,
+  `TMStamp` timestamp NOT NULL,
+  PRIMARY KEY  (`ID`),
+  KEY `PrincipalID` (`PrincipalID`)
+) ENGINE=MyISAM;
+
+COMMIT;
+
+:VERSION 2         # -------------------------- 
+
+BEGIN;
+
+INSERT INTO `im_offline` SELECT * from `diva_im_offline`;
+DROP TABLE `diva_im_offline`;
+
+COMMIT;
\ No newline at end of file
diff --git a/OpenSim/Addons/OfflineIM/Service/OfflineIMService.cs b/OpenSim/Addons/OfflineIM/Service/OfflineIMService.cs
new file mode 100644
index 0000000..6ba022c
--- /dev/null
+++ b/OpenSim/Addons/OfflineIM/Service/OfflineIMService.cs
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Reflection;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Timers;
+using System.Xml;
+using System.Xml.Serialization;
+using log4net;
+using Nini.Config;
+
+using OpenMetaverse;
+using OpenSim.Data;
+using OpenSim.Framework;
+using OpenSim.Services.Interfaces;
+
+namespace OpenSim.OfflineIM
+{
+    public class OfflineIMService : OfflineIMServiceBase, IOfflineIMService
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private const int MAX_IM = 25;
+
+        private XmlSerializer m_serializer;
+        private static bool m_Initialized = false;
+
+        public OfflineIMService(IConfigSource config)
+            : base(config)
+        {
+            m_serializer = new XmlSerializer(typeof(GridInstantMessage));
+            if (!m_Initialized)
+            {
+                m_Database.DeleteOld();
+                m_Initialized = true;
+            }
+        }
+
+        public List<GridInstantMessage> GetMessages(UUID principalID)
+        {
+            List<GridInstantMessage> ims = new List<GridInstantMessage>();
+
+            OfflineIMData[] messages = m_Database.Get("PrincipalID", principalID.ToString());
+
+            if (messages == null || (messages != null && messages.Length == 0))
+                return ims;
+
+            foreach (OfflineIMData m in messages)
+            {
+                using (MemoryStream mstream = new MemoryStream(Encoding.UTF8.GetBytes(m.Data["Message"])))
+                {
+                    GridInstantMessage im = (GridInstantMessage)m_serializer.Deserialize(mstream);
+                    ims.Add(im);
+                }
+            }
+
+            // Then, delete them
+            m_Database.Delete("PrincipalID", principalID.ToString());
+
+            return ims;
+        }
+
+        public bool StoreMessage(GridInstantMessage im, out string reason)
+        {
+            reason = string.Empty;
+            
+            // TODO Check limits
+            UUID principalID = new UUID(im.toAgentID);
+            long count = m_Database.GetCount("PrincipalID", principalID.ToString());
+            if (count >= MAX_IM)
+            {
+                reason = "Number of offline IMs has maxed out";
+                return false;
+            }
+
+            string imXml = string.Empty;
+            using (MemoryStream mstream = new MemoryStream())
+            {
+                XmlWriterSettings settings = new XmlWriterSettings();
+                settings.Encoding = Encoding.UTF8;
+
+                using (XmlWriter writer = XmlWriter.Create(mstream, settings))
+                {
+                    m_serializer.Serialize(writer, im);
+                    writer.Flush();
+                    
+                    mstream.Position = 0;
+                    using (StreamReader sreader = new StreamReader(mstream))
+                    {
+                        imXml = sreader.ReadToEnd();
+                    }
+                }
+            }
+
+            OfflineIMData data = new OfflineIMData();
+            data.PrincipalID = principalID;
+            data.Data = new Dictionary<string, string>();
+            data.Data["Message"] = imXml;
+
+            return m_Database.Store(data);
+
+        }
+    }
+}
diff --git a/OpenSim/Addons/OfflineIM/Service/OfflineIMServiceBase.cs b/OpenSim/Addons/OfflineIM/Service/OfflineIMServiceBase.cs
new file mode 100644
index 0000000..3376be4
--- /dev/null
+++ b/OpenSim/Addons/OfflineIM/Service/OfflineIMServiceBase.cs
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Data;
+using OpenSim.Services.Interfaces;
+using OpenSim.Services.Base;
+
+namespace OpenSim.OfflineIM
+{
+    public class OfflineIMServiceBase : ServiceBase
+    {
+        protected IOfflineIMData m_Database = null;
+
+        public OfflineIMServiceBase(IConfigSource config)
+            : base(config)
+        {
+            string dllName = String.Empty;
+            string connString = String.Empty;
+            string realm = "im_offline";
+
+            //
+            // Try reading the [DatabaseService] section, if it exists
+            //
+            IConfig dbConfig = config.Configs["DatabaseService"];
+            if (dbConfig != null)
+            {
+                if (dllName == String.Empty)
+                    dllName = dbConfig.GetString("StorageProvider", String.Empty);
+                if (connString == String.Empty)
+                    connString = dbConfig.GetString("ConnectionString", String.Empty);
+            }
+
+            //
+            // [Messaging] section overrides [DatabaseService], if it exists
+            //
+            IConfig imConfig = config.Configs["Messaging"];
+            if (imConfig != null)
+            {
+                dllName = imConfig.GetString("StorageProvider", dllName);
+                connString = imConfig.GetString("ConnectionString", connString);
+                realm = imConfig.GetString("Realm", realm);
+            }
+
+            //
+            // We tried, but this doesn't exist. We can't proceed.
+            //
+            if (dllName.Equals(String.Empty))
+                throw new Exception("No StorageProvider configured");
+
+            m_Database = LoadPlugin<IOfflineIMData>(dllName, new Object[] { connString, realm });
+            if (m_Database == null)
+                throw new Exception("Could not find a storage interface in the given module " + dllName);
+        }
+    }
+}
diff --git a/OpenSim/Data/MySQL/MySQLGenericTableHandler.cs b/OpenSim/Data/MySQL/MySQLGenericTableHandler.cs
index 995c6a5..35fa89f 100644
--- a/OpenSim/Data/MySQL/MySQLGenericTableHandler.cs
+++ b/OpenSim/Data/MySQL/MySQLGenericTableHandler.cs
@@ -301,5 +301,65 @@ namespace OpenSim.Data.MySQL
                 return ExecuteNonQuery(cmd) > 0;
             }
         }
+
+        public long GetCount(string field, string key)
+        {
+            return GetCount(new string[] { field }, new string[] { key });
+        }
+
+        public long GetCount(string[] fields, string[] keys)
+        {
+            if (fields.Length != keys.Length)
+                return 0;
+
+            List<string> terms = new List<string>();
+
+            using (MySqlCommand cmd = new MySqlCommand())
+            {
+                for (int i = 0; i < fields.Length; i++)
+                {
+                    cmd.Parameters.AddWithValue(fields[i], keys[i]);
+                    terms.Add("`" + fields[i] + "` = ?" + fields[i]);
+                }
+
+                string where = String.Join(" and ", terms.ToArray());
+
+                string query = String.Format("select count(*) from {0} where {1}",
+                                             m_Realm, where);
+
+                cmd.CommandText = query;
+
+                Object result = DoQueryScalar(cmd);
+
+                return Convert.ToInt64(result);
+            }
+        }
+
+        public long GetCount(string where)
+        {
+            using (MySqlCommand cmd = new MySqlCommand())
+            {
+                string query = String.Format("select count(*) from {0} where {1}",
+                                             m_Realm, where);
+
+                cmd.CommandText = query;
+
+                object result = DoQueryScalar(cmd);
+
+                return Convert.ToInt64(result);
+            }
+        }
+
+        public object DoQueryScalar(MySqlCommand cmd)
+        {
+            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            {
+                dbcon.Open();
+                cmd.Connection = dbcon;
+
+                return cmd.ExecuteScalar();
+            }
+        }
+
     }
 }
\ No newline at end of file
diff --git a/bin/OpenSim.ini.example b/bin/OpenSim.ini.example
index 653de5c..07e7357 100644
--- a/bin/OpenSim.ini.example
+++ b/bin/OpenSim.ini.example
@@ -531,14 +531,20 @@
 
 
 [Messaging]
-    ;# {OfflineMessageModule} {} {Module to use for offline message storage} {OfflineMessageModule *}
+    ;# {OfflineMessageModule} {} {Module to use for offline message storage} {OfflineMessageModule "Offline Message Module V2" *}
     ;; Module to handle offline messaging. The core module requires an external
     ;; web service to do this. See OpenSim wiki.
     ; OfflineMessageModule = OfflineMessageModule
+        ;; Or, alternatively, use this one, which works for both standalones and grids
+    ; OfflineMessageModule = "Offline Message Module V2"
 
-    ;# {OfflineMessageURL} {OfflineMessageModule:OfflineMessageModule} {URL of offline messaging service} {}
-    ;; URL of web service for offline message storage
-    ; OfflineMessageURL = http://yourserver/Offline.php
+    ;# {OfflineMessageURL} {OfflineMessageModule:OfflineMessageModule Offline Message Module V2:Offline Message Module V2} {URL of offline messaging service} {}
+    ;; URL of web service for offline message storage. Leave it commented if your service is local to the sim.
+    ; OfflineMessageURL = http://yourserver/Offline.php or http://yourrobustserver:8003
+
+    ;# {StorageProvider} {Offline Message Module V2:Offline Message Module V2} {DLL that provides the storage interface} {OpenSim.Addons.OfflineIM}
+        ;; For standalones, use the service directly. This is the storage dll.
+        ; StorageProvider = OpenSim.Addons.OfflineIM.dll
 
     ;# {MuteListModule} {OfflineMessageModule:OfflineMessageModule} {} {} MuteListModule
     ;; Mute list handler (not yet implemented). MUST BE SET to allow offline
diff --git a/bin/Robust.HG.ini.example b/bin/Robust.HG.ini.example
index c7d4b7f..fd86bca 100644
--- a/bin/Robust.HG.ini.example
+++ b/bin/Robust.HG.ini.example
@@ -51,6 +51,8 @@ GridUserServiceConnector = "8003/OpenSim.Server.Handlers.dll:GridUserServiceConn
 FriendsServiceConnector = "8003/OpenSim.Server.Handlers.dll:FriendsServiceConnector"
 MapAddServiceConnector = "8003/OpenSim.Server.Handlers.dll:MapAddServiceConnector"
 MapGetServiceConnector = "8002/OpenSim.Server.Handlers.dll:MapGetServiceConnector"
+;; Uncomment this if you want offline IM to work
+;OfflineIMServiceConnector = "8003/OpenSim.Addons.OfflineIM.dll:OfflineIMServiceRobustConnector"
 
 ;; Additions for Hypergrid
 
@@ -545,15 +547,7 @@ HGAssetServiceConnector = "HGAssetService@8002/OpenSim.Server.Handlers.dll:Asset
     InGatekeeper = True
 
 [Messaging]
-    ; If you have an Offline IM server, set the vars in this section, so that
-    ; incomming IMs to local users from foreign grids can be saved
-    ;
-    ;# {OfflineMessageURL} {OfflineMessageModule:OfflineMessageModule} {URL of offline messaging service} {}
-    ;; URL of web service for offline message storage
-    ; OfflineMessageURL = http://yourserver/Offline.php
-
-    ;; Control whether group messages are forwarded to offline users.
-    ;; Default is true.
-    ;; This applies to the core groups module (Flotsam) only.
-    ; ForwardOfflineGroupMessages = true
+    ; OfflineIM
+    StorageProvider = "OpenSim.Addons.OfflineIM.dll"
+    OfflineIMService = "OpenSim.Addons.OfflineIM.dll:OfflineIMService"
 
diff --git a/bin/Robust.ini.example b/bin/Robust.ini.example
index bc5cbcc..9dd0d71 100644
--- a/bin/Robust.ini.example
+++ b/bin/Robust.ini.example
@@ -43,6 +43,9 @@ GridUserServiceConnector = "8003/OpenSim.Server.Handlers.dll:GridUserServiceConn
 FriendsServiceConnector = "8003/OpenSim.Server.Handlers.dll:FriendsServiceConnector"
 MapAddServiceConnector = "8003/OpenSim.Server.Handlers.dll:MapAddServiceConnector"
 MapGetServiceConnector = "8002/OpenSim.Server.Handlers.dll:MapGetServiceConnector"
+;; Uncomment this if you want offline IM to work
+;OfflineIMServiceConnector = "8003/OpenSim.Addons.OfflineIM.dll:OfflineIMServiceRobustConnector"
+
 
 ; * This is common for all services, it's the network setup for the entire
 ; * server instance, if none is specified above
@@ -329,6 +332,10 @@ MapGetServiceConnector = "8002/OpenSim.Server.Handlers.dll:MapGetServiceConnecto
     ; HasProxy = false
 
 
+[Messaging]
+    ; OfflineIM
+    StorageProvider = "OpenSim.Addons.OfflineIM.dll"
+    OfflineIMService = "OpenSim.Addons.OfflineIM.dll:OfflineIMService"
 
 [GridInfoService]
     ; These settings are used to return information on a get_grid_info call.
diff --git a/prebuild.xml b/prebuild.xml
index 68a9539..1caa54b 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -2521,6 +2521,56 @@
         </Match>
       </Files>
     </Project>
+    
+    <!-- Addons -->
+    
+    <Project frameworkVersion="v3_5" name="OpenSim.Addons.OfflineIM" path="OpenSim/Addons/OfflineIM" type="Library">
+      <Configuration name="Debug">
+        <Options>
+          <OutputPath>../../../bin/</OutputPath>
+        </Options>
+      </Configuration>
+      <Configuration name="Release">
+        <Options>
+          <OutputPath>../../../bin/</OutputPath>
+        </Options>
+      </Configuration>
+
+      <ReferencePath>../../../bin/</ReferencePath>
+      <Reference name="System"/>
+      <Reference name="System.Core"/>
+      <Reference name="System.Data"/>
+      <Reference name="System.Web"/>
+      <Reference name="System.Xml"/>
+
+      <Reference name="Nini" path="../../../bin/"/>
+      <Reference name="Mono.Addins" path="../../../bin/"/>
+      <Reference name="MySql.Data" path="../../../bin/"/>
+      <Reference name="log4net" path="../../../bin/"/>
+      <Reference name="OpenMetaverse" path="../../../bin/"/>
+      <Reference name="OpenMetaverseTypes" path="../../../bin/"/>
+
+      <Reference name="OpenSim.Framework"/>
+      <Reference name="OpenSim.Data"/>
+      <Reference name="OpenSim.Data.MySQL"/>
+      <Reference name="OpenSim.Framework.Servers.HttpServer"/>
+      <Reference name="OpenSim.Services.Base"/>
+      <Reference name="OpenSim.Services.Interfaces"/>
+      <Reference name="OpenSim.Region.Framework"/>
+      <Reference name="OpenSim.Server.Base"/>
+      <Reference name="OpenSim.Server.Handlers"/>
+
+      <!-- To allow regions to have mono addins -->
+      <Reference name="Mono.Addins" path="../../../bin/" />
+
+      <Files>
+        <Match pattern="*.cs" recurse="true">
+          <Exclude pattern="Tests" />
+        </Match>
+        <Match buildAction="EmbeddedResource" path="Resources" pattern="*.migrations"/>
+      </Files>
+    </Project>
+
 
     <!-- Tools -->